213980520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1879}}^1$

素因数の和:1979

約数の個数: 128

約数和(自身を含む): 701164800

約数和(自身を除く): 487184280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 73, 78, 104, 120, 130, 146, 156, 195, 219, 260, 292, 312, 365, 390, 438, 520, 584, 730, 780, 876, 949, 1095, 1460, 1560, 1752, 1879, 1898, 2190, 2847, 2920, 3758, 3796, 4380, 4745, 5637, 5694, 7516, 7592, 8760, 9395, 9490, 11274, 11388, 14235, 15032, 18790, 18980, 22548, 22776, 24427, 28185, 28470, 37580, 37960, 45096, 48854, 56370, 56940, 73281, 75160, 97708, 112740, 113880, 122135, 137167, 146562, 195416, 225480, 244270, 274334, 293124, 366405, 411501, 488540, 548668, 586248, 685835, 732810, 823002, 977080, 1097336, 1371670, 1465620, 1646004, 1783171, 2057505, 2743340, 2931240, 3292008, 3566342, 4115010, 5349513, 5486680, 7132684, 8230020, 8915855, 10699026, 14265368, 16460040, 17831710, 21398052, 26747565, 35663420, 42796104, 53495130, 71326840, 106990260, 213980520]

約数ペア:

[(1, 213980520), (2, 106990260), (3, 71326840), (4, 53495130), (5, 42796104), (6, 35663420), (8, 26747565), (10, 21398052), (12, 17831710), (13, 16460040), (15, 14265368), (20, 10699026), (24, 8915855), (26, 8230020), (30, 7132684), (39, 5486680), (40, 5349513), (52, 4115010), (60, 3566342), (65, 3292008), (73, 2931240), (78, 2743340), (104, 2057505), (120, 1783171), (130, 1646004), (146, 1465620), (156, 1371670), (195, 1097336), (219, 977080), (260, 823002), (292, 732810), (312, 685835), (365, 586248), (390, 548668), (438, 488540), (520, 411501), (584, 366405), (730, 293124), (780, 274334), (876, 244270), (949, 225480), (1095, 195416), (1460, 146562), (1560, 137167), (1752, 122135), (1879, 113880), (1898, 112740), (2190, 97708), (2847, 75160), (2920, 73281), (3758, 56940), (3796, 56370), (4380, 48854), (4745, 45096), (5637, 37960), (5694, 37580), (7516, 28470), (7592, 28185), (8760, 24427), (9395, 22776), (9490, 22548), (11274, 18980), (11388, 18790), (14235, 15032)]